Micro Airline Control Ball Valve – 1 Pack – Two Little Fishies

Barbed x Barbed connections.Micro fittings for regulating air flow through standard airline tubing for devices such as air-stones, filters, protein skimmers, ornaments, etc.Also for low pressure liquid feed lines for metering pumps, fish display holding cubicles, fertilizing systems, calcium reactors, and drip irrigation of water gardens and paludariums.